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UP1537RQKB Datasheet(PDF) 3 Page - uPI Group Inc.

Part # UP1537RQKB
Description  High Performance, Single Synchronous Step-Down Controller
PDF  15 Pages
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Manufacturer  UPI [uPI Group Inc.]
Direct Link  http://www.ubiq-semi.com/
Logo UPI - uPI Group Inc.

UP1537RQKB Datasheet(HTML) 3 Page - uPI Group Inc.

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uP1537
3
uP1537-DS-F0000, Feb. 2018
www.upi-semi.com
Typical Application Circuit
Functional Block Diagram
x(-1/8)
Auto-skip / FCCM
Frequency Setting
Detector
10µA
On-Time
Calculator
Ramp
0.7V
EN / SS
Control
0.7V x 125%
0.7V x 55%
Control Logic
TON
One-shot
XCON
0.7V x 90%
Delay
POK
VCC5
Fault
EN
UV
OV
EA
PWM
VFB
CS
OCP
ZC
RF
BOOT
UGATE
PHASE
LGATE
GND
LGATE
POK
UGATE
PHASE
VIN
VCC5
RF
BOOT
CS
EN
VFB
VOUT
5V
POK
EN



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